The construction and calculation results of a hyperboloidal field of unipotential electrostatic lens with low spherical aberration is presented by which the performance of the electron optical system of the field emission gun can be easily improved .

本文给出一种双曲场单 电位低球差场发射 枪静电透镜的结构及计算结果，它将 有助 于改进和提高场发射枪的电子光学性能。